401 lines
15 KiB
Go
401 lines
15 KiB
Go
// Copyright 2020-2022 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package credentialrequest
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import (
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"context"
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"errors"
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"fmt"
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"testing"
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"time"
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"github.com/go-logr/logr"
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"github.com/golang/mock/gomock"
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"github.com/sclevine/spec"
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"github.com/stretchr/testify/require"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apiserver/pkg/authentication/user"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/klog/v2"
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"k8s.io/utils/pointer"
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loginapi "go.pinniped.dev/generated/latest/apis/concierge/login"
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"go.pinniped.dev/internal/issuer"
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"go.pinniped.dev/internal/mocks/credentialrequestmocks"
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"go.pinniped.dev/internal/mocks/issuermocks"
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"go.pinniped.dev/internal/testutil"
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)
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func TestNew(t *testing.T) {
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r := NewREST(nil, nil, schema.GroupResource{Group: "bears", Resource: "panda"})
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require.NotNil(t, r)
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require.False(t, r.NamespaceScoped())
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require.Equal(t, []string{"pinniped"}, r.Categories())
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require.IsType(t, &loginapi.TokenCredentialRequest{}, r.New())
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require.IsType(t, &loginapi.TokenCredentialRequestList{}, r.NewList())
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ctx := context.Background()
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// check the simple invariants of our no-op list
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list, err := r.List(ctx, nil)
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require.NoError(t, err)
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require.NotNil(t, list)
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require.IsType(t, &loginapi.TokenCredentialRequestList{}, list)
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require.Equal(t, "0", list.(*loginapi.TokenCredentialRequestList).ResourceVersion)
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require.NotNil(t, list.(*loginapi.TokenCredentialRequestList).Items)
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require.Len(t, list.(*loginapi.TokenCredentialRequestList).Items, 0)
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// make sure we can turn lists into tables if needed
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table, err := r.ConvertToTable(ctx, list, nil)
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require.NoError(t, err)
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require.NotNil(t, table)
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require.Equal(t, "0", table.ResourceVersion)
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require.Nil(t, table.Rows)
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// exercise group resource - force error by passing a runtime.Object that does not have an embedded object meta
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_, err = r.ConvertToTable(ctx, &metav1.APIGroup{}, nil)
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require.Error(t, err, "the resource panda.bears does not support being converted to a Table")
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}
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func TestCreate(t *testing.T) {
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spec.Run(t, "create", func(t *testing.T, when spec.G, it spec.S) {
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var r *require.Assertions
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var ctrl *gomock.Controller
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var logger *testutil.TranscriptLogger
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it.Before(func() {
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r = require.New(t)
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ctrl = gomock.NewController(t)
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logger = testutil.NewTranscriptLogger(t) //nolint:staticcheck // old test with lots of log statements
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klog.SetLogger(logr.New(logger)) // this is unfortunately a global logger, so can't run these tests in parallel :(
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})
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it.After(func() {
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klog.ClearLogger()
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ctrl.Finish()
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})
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it("CreateSucceedsWhenGivenATokenAndTheWebhookAuthenticatesTheToken", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(&user.DefaultInfo{
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Name: "test-user",
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Groups: []string{"test-group-1", "test-group-2"},
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}, nil)
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clientCertIssuer := issuermocks.NewMockClientCertIssuer(ctrl)
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clientCertIssuer.EXPECT().IssueClientCertPEM(
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"test-user",
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[]string{"test-group-1", "test-group-2"},
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5*time.Minute,
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).Return([]byte("test-cert"), []byte("test-key"), nil)
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storage := NewREST(requestAuthenticator, clientCertIssuer, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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r.NoError(err)
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r.IsType(&loginapi.TokenCredentialRequest{}, response)
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expires := response.(*loginapi.TokenCredentialRequest).Status.Credential.ExpirationTimestamp
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r.NotNil(expires)
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r.InDelta(time.Now().Add(5*time.Minute).Unix(), expires.Unix(), 5)
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response.(*loginapi.TokenCredentialRequest).Status.Credential.ExpirationTimestamp = metav1.Time{}
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r.Equal(response, &loginapi.TokenCredentialRequest{
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Status: loginapi.TokenCredentialRequestStatus{
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Credential: &loginapi.ClusterCredential{
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ExpirationTimestamp: metav1.Time{},
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ClientCertificateData: "test-cert",
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ClientKeyData: "test-key",
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},
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},
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})
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requireOneLogStatement(r, logger, `"success" userID:,hasExtra:false,authenticated:true`)
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})
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it("CreateFailsWithValidTokenWhenCertIssuerFails", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(&user.DefaultInfo{
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Name: "test-user",
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Groups: []string{"test-group-1", "test-group-2"},
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}, nil)
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clientCertIssuer := issuermocks.NewMockClientCertIssuer(ctrl)
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clientCertIssuer.EXPECT().
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IssueClientCertPEM(gomock.Any(), gomock.Any(), gomock.Any()).
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Return(nil, nil, fmt.Errorf("some certificate authority error"))
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storage := NewREST(requestAuthenticator, clientCertIssuer, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"failure" failureType:cert issuer,msg:some certificate authority error`)
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})
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it("CreateSucceedsWithAnUnauthenticatedStatusWhenGivenATokenAndTheWebhookReturnsNilUser", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).Return(nil, nil)
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storage := NewREST(requestAuthenticator, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"success" userID:<none>,hasExtra:false,authenticated:false`)
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})
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it("CreateSucceedsWithAnUnauthenticatedStatusWhenWebhookFails", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(nil, errors.New("some webhook error"))
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storage := NewREST(requestAuthenticator, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"failure" failureType:token authentication,msg:some webhook error`)
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})
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it("CreateSucceedsWithAnUnauthenticatedStatusWhenWebhookReturnsAnEmptyUsername", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(&user.DefaultInfo{Name: ""}, nil)
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storage := NewREST(requestAuthenticator, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"success" userID:,hasExtra:false,authenticated:false`)
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})
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it("CreateSucceedsWithAnUnauthenticatedStatusWhenWebhookReturnsAUserWithUID", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(&user.DefaultInfo{
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Name: "test-user",
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UID: "test-uid",
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Groups: []string{"test-group-1", "test-group-2"},
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}, nil)
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storage := NewREST(requestAuthenticator, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"success" userID:test-uid,hasExtra:false,authenticated:false`)
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})
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it("CreateSucceedsWithAnUnauthenticatedStatusWhenWebhookReturnsAUserWithExtra", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req).
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Return(&user.DefaultInfo{
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Name: "test-user",
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Groups: []string{"test-group-1", "test-group-2"},
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Extra: map[string][]string{"test-key": {"test-val-1", "test-val-2"}},
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}, nil)
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storage := NewREST(requestAuthenticator, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, req)
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requireSuccessfulResponseWithAuthenticationFailureMessage(t, err, response)
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requireOneLogStatement(r, logger, `"success" userID:,hasExtra:true,authenticated:false`)
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})
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it("CreateFailsWhenGivenTheWrongInputType", func() {
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notACredentialRequest := runtime.Unknown{}
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response, err := NewREST(nil, nil, schema.GroupResource{}).Create(
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genericapirequest.NewContext(),
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¬ACredentialRequest,
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rest.ValidateAllObjectFunc,
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&metav1.CreateOptions{})
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requireAPIError(t, response, err, apierrors.IsBadRequest, "not a TokenCredentialRequest")
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requireOneLogStatement(r, logger, `"failure" failureType:request validation,msg:not a TokenCredentialRequest`)
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})
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it("CreateFailsWhenTokenValueIsEmptyInRequest", func() {
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storage := NewREST(nil, nil, schema.GroupResource{})
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response, err := callCreate(context.Background(), storage, credentialRequest(loginapi.TokenCredentialRequestSpec{
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Token: "",
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}))
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requireAPIError(t, response, err, apierrors.IsInvalid,
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`.pinniped.dev "request name" is invalid: spec.token.value: Required value: token must be supplied`)
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requireOneLogStatement(r, logger, `"failure" failureType:request validation,msg:token must be supplied`)
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})
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it("CreateFailsWhenValidationFails", func() {
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storage := NewREST(nil, nil, schema.GroupResource{})
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response, err := storage.Create(
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context.Background(),
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validCredentialRequest(),
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func(ctx context.Context, obj runtime.Object) error {
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return fmt.Errorf("some validation error")
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},
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&metav1.CreateOptions{})
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r.Nil(response)
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r.EqualError(err, "some validation error")
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requireOneLogStatement(r, logger, `"failure" failureType:validation webhook,msg:some validation error`)
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})
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it("CreateDoesNotAllowValidationFunctionToMutateRequest", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req.DeepCopy()).
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Return(&user.DefaultInfo{Name: "test-user"}, nil)
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storage := NewREST(requestAuthenticator, successfulIssuer(ctrl), schema.GroupResource{})
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response, err := storage.Create(
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context.Background(),
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req,
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func(ctx context.Context, obj runtime.Object) error {
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credentialRequest, _ := obj.(*loginapi.TokenCredentialRequest)
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credentialRequest.Spec.Token = "foobaz"
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return nil
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},
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&metav1.CreateOptions{})
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r.NoError(err)
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r.NotEmpty(response)
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})
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it("CreateDoesNotAllowValidationFunctionToSeeTheActualRequestToken", func() {
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req := validCredentialRequest()
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requestAuthenticator := credentialrequestmocks.NewMockTokenCredentialRequestAuthenticator(ctrl)
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requestAuthenticator.EXPECT().AuthenticateTokenCredentialRequest(gomock.Any(), req.DeepCopy()).
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Return(&user.DefaultInfo{Name: "test-user"}, nil)
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storage := NewREST(requestAuthenticator, successfulIssuer(ctrl), schema.GroupResource{})
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validationFunctionWasCalled := false
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var validationFunctionSawTokenValue string
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response, err := storage.Create(
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context.Background(),
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req,
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func(ctx context.Context, obj runtime.Object) error {
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credentialRequest, _ := obj.(*loginapi.TokenCredentialRequest)
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validationFunctionWasCalled = true
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validationFunctionSawTokenValue = credentialRequest.Spec.Token
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return nil
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},
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&metav1.CreateOptions{})
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r.NoError(err)
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r.NotEmpty(response)
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r.True(validationFunctionWasCalled)
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r.Empty(validationFunctionSawTokenValue)
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})
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it("CreateFailsWhenRequestOptionsDryRunIsNotEmpty", func() {
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response, err := NewREST(nil, nil, schema.GroupResource{}).Create(
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genericapirequest.NewContext(),
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validCredentialRequest(),
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rest.ValidateAllObjectFunc,
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&metav1.CreateOptions{
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DryRun: []string{"some dry run flag"},
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})
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requireAPIError(t, response, err, apierrors.IsInvalid,
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`.pinniped.dev "request name" is invalid: dryRun: Unsupported value: []string{"some dry run flag"}`)
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requireOneLogStatement(r, logger, `"failure" failureType:request validation,msg:dryRun not supported`)
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})
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it("CreateFailsWhenNamespaceIsNotEmpty", func() {
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response, err := NewREST(nil, nil, schema.GroupResource{}).Create(
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genericapirequest.WithNamespace(genericapirequest.NewContext(), "some-ns"),
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validCredentialRequest(),
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rest.ValidateAllObjectFunc,
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&metav1.CreateOptions{})
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requireAPIError(t, response, err, apierrors.IsBadRequest, `namespace is not allowed on TokenCredentialRequest: some-ns`)
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requireOneLogStatement(r, logger, `"failure" failureType:request validation,msg:namespace is not allowed`)
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})
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}, spec.Sequential())
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}
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func requireOneLogStatement(r *require.Assertions, logger *testutil.TranscriptLogger, messageContains string) {
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transcript := logger.Transcript()
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r.Len(transcript, 1)
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r.Equal("info", transcript[0].Level)
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r.Contains(transcript[0].Message, messageContains)
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}
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func callCreate(ctx context.Context, storage *REST, obj runtime.Object) (runtime.Object, error) {
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return storage.Create(
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ctx,
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obj,
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rest.ValidateAllObjectFunc,
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&metav1.CreateOptions{
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DryRun: []string{},
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})
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}
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func validCredentialRequest() *loginapi.TokenCredentialRequest {
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return validCredentialRequestWithToken("some token")
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}
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func validCredentialRequestWithToken(token string) *loginapi.TokenCredentialRequest {
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return credentialRequest(loginapi.TokenCredentialRequestSpec{Token: token})
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}
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func credentialRequest(spec loginapi.TokenCredentialRequestSpec) *loginapi.TokenCredentialRequest {
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return &loginapi.TokenCredentialRequest{
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TypeMeta: metav1.TypeMeta{},
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ObjectMeta: metav1.ObjectMeta{
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Name: "request name",
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},
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Spec: spec,
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}
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}
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func requireAPIError(t *testing.T, response runtime.Object, err error, expectedErrorTypeChecker func(err error) bool, expectedErrorMessage string) {
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t.Helper()
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require.Nil(t, response)
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require.True(t, expectedErrorTypeChecker(err))
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var status apierrors.APIStatus
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errors.As(err, &status)
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require.Contains(t, status.Status().Message, expectedErrorMessage)
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}
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func requireSuccessfulResponseWithAuthenticationFailureMessage(t *testing.T, err error, response runtime.Object) {
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t.Helper()
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require.NoError(t, err)
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require.Equal(t, response, &loginapi.TokenCredentialRequest{
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Status: loginapi.TokenCredentialRequestStatus{
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Credential: nil,
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Message: pointer.StringPtr("authentication failed"),
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},
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})
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}
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func successfulIssuer(ctrl *gomock.Controller) issuer.ClientCertIssuer {
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clientCertIssuer := issuermocks.NewMockClientCertIssuer(ctrl)
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clientCertIssuer.EXPECT().
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IssueClientCertPEM(gomock.Any(), gomock.Any(), gomock.Any()).
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Return([]byte("test-cert"), []byte("test-key"), nil)
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return clientCertIssuer
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}
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